Allen-Bradley 1769-OF4 | Compact I/O Analog Output Module

Product Overview

The 1769-OF4 is a high-performance analog output module from Allen-Bradley’s Compact I/O series. It offers four single-ended channels configurable for voltage or current output. The module supports 15-bit resolution in unipolar and bipolar modes. It provides fast response and precise control for industrial automation applications.

The module weighs 280 g (0.61 lbs) and measures 118 × 35 × 87 mm (4.65 × 1.38 × 3.43 inches). It occupies one slot and integrates easily with MicroLogix 1500 and CompactLogix controllers.

Technical Specifications

• Number of Outputs: Four (4) single-ended

• Voltage Output Range: ±10V dc, 0–10V dc, 0–5V dc, 1–5V dc

• Current Output Range: 0–20 mA, 4–20 mA (Series A/B)

• Full-Scale Analog Ranges: Voltage ±10.5V dc, -0.5–10.5V dc, -0.5–5.25V dc, 0.5–5.25V dc; Current 0–21 mA, 3.2–21 mA

• Data Format: 15-bit, unipolar and bipolar

• Conversion Rate: 2.5 ms

• Current Draw: 120 mA at 5.1V, 170 mA at 24V

• Resistive Load: 0–600Ω for current, ≥1 kΩ for voltage

• Inductive Load: 0.1 mH for current, 1 μF for voltage

• Accuracy & Drift: ±0.5% full scale at 25°C, ±0.0086% per °C drift

• Output Ripple: ±0.05% (0–50 kHz)

• Non-Linearity: ±0.05%

• Module Error: ±0.8% (0–60°C)

• Repeatability: ±0.05%

• Output Impedance: Voltage <1 MΩ, Current >1 MΩ

• Protection: 40 mA current circuit protection and overvoltage protection

• Power-Up/Down Response: <1 ms

• Power Dissipation: 2.86 W

Applications

The 1769-OF4 drives modulating final control elements such as valves, VFDs, dampers, and louvers. It also connects to indicators, recorders, and data loggers. Its precise and stable output ensures reliable performance in complex control loops.